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Merck
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Key Documents

Autres documents

L7035

Sigma-Aldrich

clasto-Lactacystin β-lactone

Synonyme(s) :

(1R,4R,5S)-1-[(1S)-1-Hydroxy-2-Methylpropyl]-4-Methyl-6-Oxa-2-Azabicyclo[3.2.0]Heptane-3,7-Dione, Omuralide

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About This Item

Formule empirique (notation de Hill):
C10H15NO4
Numéro CAS:
154226-60-5
Poids moléculaire :
213.23
Numéro MDL:
MFCD01076526
Code UNSPSC :
12352200
ID de substance PubChem :
24896450
Nomenclature NACRES :
NA.77

Pureté

≥95% (HPLC)

Niveau de qualité

100

Forme

film

Solubilité

DMSO: soluble 25 mg/mL

Température de stockage

−20°C

Chaîne SMILES 

[H][C@@]12OC(=O)[C@@]1(NC(=O)[C@@H]2C)[C@@H](O)C(C)C

InChI

1S/C10H15NO4/c1-4(2)6(12)10-7(15-9(10)14)5(3)8(13)11-10/h4-7,12H,1-3H3,(H,11,13)/t5-,6+,7+,10-/m1/s1

Clé InChI

FWPWHHUJACGNMZ-NBBQQVJHSA-N

Application

Clasto-Lactacystin β-lactone has been used as a proteasomal inhibitor.
Clasto-Lactacystin β-lactone has been used as a protein degradation inhibitor to test its effect on memory improvements in mice. It has also been used as a proteasome inhibitor in human ovarian surface epithelium (HOSE) cells and dendritic cells (DCs).

Actions biochimiques/physiologiques

Cell-permeable and irreversible proteasome inhibitor. Lactacystin acts as a precursor for clasto-lactacystin β-lactone.
Clasto-Lactacystin β-lactone (cLβL) is synthesized from lactacystin. It is cell-permeable and cLβL acts on the N-terminal threonine of subunit proteasome β -subunit X It also inhibits 20S proteasome activity in Haloferax volcanii by acting in the N-threonine residue of the  β -type subunits.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H319

Classification des risques

Eye Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Florian Vogel et al.
Traffic (Copenhagen, Denmark), 8(9), 1205-1214 (2007-07-17)
Intracellular trafficking of viral movement proteins (MPs) in plants has mainly been studied using Tobacco mosaic virus MP30 (TMV MP30) as a model system. Because of the limitations of TMV MP30 expression in Arabidopsis thaliana, these studies have mostly been
Kristen Willeumier et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 26(44), 11333-11341 (2006-11-03)
The ubiquitin proteasome system, generally known for its function in protein degradation, also appears to play an important role in regulating membrane trafficking. A role for the proteasome in regulating presynaptic release and vesicle trafficking has been proposed for invertebrates
Coordinated regulation of dendrite arborization by epigenetic factors CDYL and EZH2
Qi C, et al.
The Journal of Neuroscience, 34(13), 4494-4508 (2014)
A Craiu et al.
The Journal of biological chemistry, 272(20), 13437-13445 (1997-05-16)
The antibiotic lactacystin was reported to covalently modify beta-subunit X of the mammalian 20 S proteasome and inhibit several of its peptidase activities. However, we demonstrate that [3H]lactacystin treatment modifies all the proteasome's catalytic beta-subunits. Lactacystin and its more potent
A K Ho et al.
Endocrinology, 148(2), 743-751 (2006-11-04)
In this study, we investigated the role of two inducible repressor proteins, inducible cAMP early repressor (ICER) and Fos-related antigen 2 (Fra-2) in the adrenergic induction of MAPK phosphatase-1 (MKP-1) as compared with their roles in the induction of arylalkylamine-N-acetyltransferase
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